*{
    margin: 0;
    padding:0;
}
a{
    text-decoration: none;
}
body{
    font-size:16px;
    .index-ul{
        background:#ccc;
        position: fixed;
        bottom:0;
        left:0;
        width:100%;
        height:60px;
        list-style: none;
        li{
            width:20%;
            height: 8%;
            line-height: 200%;
            text-align: center;
            float:left;
        }
    }
}
